EL817M(C)-V

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The EL 817M(C)-V is an opto-isolator, which is a popular choice when selecting components for electronic systems requiring electrical and optical insulation. It is a hybrid semiconductor package. It consists of an infrared emitting diode alongside a phototransistor all housed in a dual in-line package (DIP). This device is the family of opto-isolators, also known as opto-couplers or optical isolators.

The EL 817M(C)-V opto-isolator contains a phototransistor in its package. This phototransistor is basically a transistor whose base-emitter junction responds to emitted infrared light. The device isolates the control side (emitting diode) from the driven side (phototransistor) electrically, using the process of optical transfer. It provides a good level of electrical isolation between two components.

The EL 817M(C)-V opto-isolator is typically used in applications where AC and DC isolation is required. It is an ideal device for switching low-power, low-level AC or DC signals between two circuits. The opto-isolator is used in various control, power, measurement, and detection systems, such as computers, automotive systems, and industrial control and power supplies.

The working principle of the EL 817M(C)-V opto-isolator is simple. Light signals are emitted from an infrared-emitting diode when an input voltage is applied. The phototransistor is connected between a high voltage supply and the load. When the IR light is emitted, it strikes the phototransistor’s base-emitter junction, creating a voltage drop across the load. This voltage drop controls the current and regulates the output voltage to the load.

This opto-isolator therefore provides a safe, reliable, and efficient means of controlling the output voltage and current from a high voltage source. Moreover, it can be used in instances where standard isolation methods may be unsuitable due to their large size, or when space is at a premium. The EL 817M(C)-V opto-isolator is also highly resistant to EMI and RFI, making it suitable for industrial environments.

In summary, the EL 817M(C)-V opto-isolator is a transistor, photovoltaic output device. It is used to safely and reliably control the output voltage and current from a high voltage source. The opto-isolator works by the emission of light signals from an infrared-emitting diode, which is used to control the current and voltage across the load. This opto-isolator is suitable for a broad range of applications due to its high EMI/RFI immunity and its small size.

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